package com.atguigu.eduorder.service.impl;

import com.atguigu.eduorder.entity.TOrder;
import com.atguigu.eduorder.entity.TPayLog;
import com.atguigu.eduorder.mapper.TPayLogMapper;
import com.atguigu.eduorder.service.TOrderService;
import com.atguigu.eduorder.service.TPayLogService;
import com.atguigu.eduorder.utils.HttpClient;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author xuejingjing
 * @since 2021-01-03
 */
@Service
public class TPayLogServiceImpl extends ServiceImpl<TPayLogMapper, TPayLog> implements TPayLogService {

    @Autowired
    private TOrderService orderService;

    //生成微信支付二维码接口
    @Override
    public Map createNative(String orderNo) {

        try{
            //1，根据订单号查询订单信息
            QueryWrapper  queryWrapper = new QueryWrapper();
            queryWrapper.eq("order_no",orderNo);
            TOrder order = orderService.getOne(queryWrapper);

            //2,使用map设置生成二维码需要参数
            //1、设置支付参数
            Map m = new HashMap();
            m.put("appid", "wx74862e0dfcf69954");
//商户号
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
//生成的二维码名称
            m.put("body", order.getCourseTitle());
//二维码唯一标识
            m.put("out_trade_no", orderNo);
//订单价格
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
//进行支付的ip地址，其他都是项目地址
            m.put("spbill_create_ip", "127.0.0.1");
//回调地址
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
//支付类型
            m.put("trade_type", "NATIVE");



            //3,发送httpclinet对象，传递参数xml格式，微信支付提供的固定的地址

            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(null,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行请求发送
            client.post();

            //4,得到发送请求返回结果
            //返回内容，是使用xml格式返回
            String xml = client.getContent();
            //把xml格式转换map集合，把map集合返回
            Map<String,String> resultMap =  WXPayUtil.xmlToMap(xml);
            //最终返回数据  的封装
            Map  map = new HashMap();
            map.put("out_trade_no",orderNo);
            map.put("course_id",order.getCourseId());
            map.put("total_fee",order.getTotalFee());
            map.put("result_code",resultMap.get("result_code"));
            map.put("code_url",resultMap.get("code_url"));

             return  map;
        }catch(Exception e){
            System.out.println("error,生成二维码失败");
        }


        return null;
    }

    //根据订单号查询订单支付状态
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {



        return null;
    }


    //向支付表添加记录，更新订单状态，为支付
    @Override
    public void updateOrdersStatus(Map<String, String> map) {

    }
}
